Fitbit Charge 2 review: Still the Front-Runner | Trusted Reviews
Fitbit Charge 2: Firmware-Update bietet neue Funktionen
How to Fix Update Issues on a Fitbit Charge 2 - Support.com TechSolutions
Fitbit Support on Twitter: "@corninmypoopies Hi, @corninmypoopies. Thanks for your efforts and screenshot. Please verify that you have followed our firmware update troubleshooting tips here: https://t.co/XsPWGBM3UQ. Also, DM us the following: -
How to Update Fitbit Firmware Using Fitbit App - YouTube